gajim-plural/gajim/common/exceptions.py

# -*- coding:utf-8 -*-
## src/common/exceptions.py
##
## Copyright (C) 2005-2006 Nikos Kouremenos <kourem AT gmail.com>
## Copyright (C) 2005-2014 Yann Leboulanger <asterix AT lagaule.org>
## Copyright (C) 2006 Jean-Marie Traissard <jim AT lapin.org>
## Copyright (C) 2007 Brendan Taylor <whateley AT gmail.com>
##
## This file is part of Gajim.
##
## Gajim is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published
## by the Free Software Foundation; version 3 only.
##
## Gajim is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
##

class PysqliteOperationalError(Exception):
    """
    Sqlite2 raised pysqlite2.dbapi2.OperationalError
    """

    def __init__(self, text=''):
        Exception.__init__(self)
        self.text = text

    def __str__(self):
        return self.text

class DatabaseMalformed(Exception):
    """
    The databas can't be read
    """

    def __init__(self, path=''):
        Exception.__init__(self)
        self.path = path

    def __str__(self):
        return _('The database file (%s) cannot be read. '
                 'Try to repair it (see '
                 'https://dev.gajim.org/gajim/gajim/wikis/help/DatabaseBackup)'
                 ' or remove it (all history will be lost).') % self.path

class ServiceNotAvailable(Exception):
    """
    This exception is raised when we cannot use Gajim remotely'
    """

    def __init__(self):
        Exception.__init__(self)

    def __str__(self):
        return _('Service not available: Gajim is not running, or remote_control is False')

class DbusNotSupported(Exception):
    """
    D-Bus is not installed or python bindings are missing
    """

    def __init__(self):
        Exception.__init__(self)

    def __str__(self):
        return _('D-Bus is not present on this machine or python module is missing')

class SessionBusNotPresent(Exception):
    """
    This exception indicates that there is no session daemon
    """

    def __init__(self):
        Exception.__init__(self)

    def __str__(self):
        return _('Session bus is not available.\nTry reading %(url)s') % \
                {'url': 'http://trac.gajim.org/wiki/GajimDBus'}

class SystemBusNotPresent(Exception):
    """
    This exception indicates that there is no session daemon
    """

    def __init__(self):
        Exception.__init__(self)

    def __str__(self):
        return _('System bus is not available.\nTry reading %(url)s') % \
                {'url': 'http://trac.gajim.org/wiki/GajimDBus'}

class NegotiationError(Exception):
    """
    A session negotiation failed
    """
    pass

class DecryptionError(Exception):
    """
    A message couldn't be decrypted into usable XML
    """
    pass

class Cancelled(Exception):
    """
    The user cancelled an operation
    """
    pass

class LatexError(Exception):
    """
    LaTeX processing failed for some reason
    """

    def __init__(self, text=''):
        Exception.__init__(self)
        self.text = text

    def __str__(self):
        return self.text

class GajimGeneralException(Exception):
    """
    This exception is our general exception
    """

    def __init__(self, text=''):
        Exception.__init__(self)
        self.text = text

    def __str__(self):
        return self.text

class PluginsystemError(Exception):
    """
    Error in the pluginsystem
    """

    def __init__(self, text=''):
        Exception.__init__(self)
        self.text = text

    def __str__(self):
        return self.text